S. Koyama

发表

First M87 Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole

S. T. Timmer, Chih-Wei L. Huang, Alexander W. Raymond, 2019, 1906.11238.

First M87 Event Horizon Telescope Results. VI. The Shadow and Mass of the Central Black Hole

Daniel C. M. Palumbo, Chih-Wei L. Huang, Alexander W. Raymond, 2019, The Astrophysical Journal.

First M87 Event Horizon Telescope Results. IV. Imaging the Central Supermassive Black Hole

Chih-Wei L. Huang, Alexander W. Raymond, K. Souccar, 2019 .

First M87 Event Horizon Telescope Results. III. Data Processing and Calibration

Daniel C. M. Palumbo, Chih-Wei L. Huang, Alexander W. Raymond, 2019, The Astrophysical Journal.

First M87 Event Horizon Telescope Results. V. Physical Origin of the Asymmetric Ring

Daniel C. M. Palumbo, Chih-Wei L. Huang, Alexander W. Raymond, 2019, The Astrophysical Journal.

First M87 Event Horizon Telescope Results. II. Array and Instrumentation

Kevin A. Dudevoir, Daniel C. M. Palumbo, S. T. Timmer, 2019, 1906.11239.

Parabolic Jets from the Spinning Black Hole in M87

J. Algaba, M. Kino, K. Akiyama, 2018, The Astrophysical Journal.

A balloon-borne very long baseline interferometry experiment in the stratosphere: Systems design and developments

M. Narita, H. Shibai, Kazuya Saito, 2018, Advances in Space Research.

Constraints on the Mass Accretion Rate onto the Supermassive Black Hole of Cygnus A Using the Submillimeter Array

P. Koch, P. Ho, J. Algaba, 2021, The Astrophysical Journal.

First M87 Event Horizon Telescope Results. III. Data Processing and Calibration

Chih-Wei L. Huang, Alexander W. Raymond, K. Souccar, 2019, The Astrophysical Journal.

THEMIS: A Parameter Estimation Framework for the Event Horizon Telescope

Daniel C. M. Palumbo, Chih-Wei L. Huang, Alexander W. Raymond, 2020, The Astrophysical Journal.

Event Horizon Telescope imaging of the archetypal blazar 3C 279 at an extreme 20 microarcsecond resolution

Daniel C. M. Palumbo, S. T. Timmer, Chih-Wei L. Huang, 2020 .

Monitoring the Morphology of M87* in 2009–2017 with the Event Horizon Telescope

Daniel C. M. Palumbo, Chih-Wei L. Huang, Alexander W. Raymond, 2020, The Astrophysical Journal.

Gravitational Test beyond the First Post-Newtonian Order with the Shadow of the M87 Black Hole

Daniel C. M. Palumbo, Chih-Wei L. Huang, Alexander W. Raymond, 2020, Physical Review Letters.

Stable Radio Core of the Blazar Mrk 501 during High-energy Active State in 2012

E. Ros, M. Kino, Guangyao Zhao, 2019, The Astrophysical Journal.

The GENJI Programme: Gamma-Ray Emitting Notable AGN Monitoring by Japanese VLBI

M. Kino, K. Shibata, K. Akiyama, 2012, 1210.2496.

Millimeter Light Curves of Sagittarius A* Observed during the 2017 Event Horizon Telescope Campaign

Daniel C. M. Palumbo, Michael F. Wondrak, Chih-Wei L. Huang, 2022, The Astrophysical Journal Letters.

First Sagittarius A* Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole in the Center of the Milky Way

Marcos Emir Moreno Nolasco, Chih-Wei L. Huang, P. K. Leung, 2022, The Astrophysical Journal Letters.

First Sagittarius A* Event Horizon Telescope Results. III. Imaging of the Galactic Center Supermassive Black Hole

Daniel C. M. Palumbo, Michael F. Wondrak, Chih-Wei L. Huang, 2022, The Astrophysical Journal Letters.

First Sagittarius A* Event Horizon Telescope Results. II. EHT and Multiwavelength Observations, Data Processing, and Calibration

Chih-Wei L. Huang, P. K. Leung, Alexander W. Raymond, 2022, The Astrophysical Journal Letters.

Jet kinematics of the quasar 4C+21.35 from observations with the KaVA very long baseline interferometry array

J. Algaba, Sang-Sung Lee, J. Hodgson, 2019, Monthly Notices of the Royal Astronomical Society.

Selective Dynamical Imaging of Interferometric Data

Daniel C. M. Palumbo, Chih-Wei L. Huang, Alexander W. Raymond, 2022, The Astrophysical Journal Letters.

First Sagittarius A* Event Horizon Telescope Results. II. EHT and Multiwavelength Observations, Data Processing, and Calibration

Chih-Wei L. Huang, P. K. Leung, Alexander W. Raymond, 2022, The Astrophysical Journal Letters.

A Universal Power-law Prescription for Variability from Synthetic Images of Black Hole Accretion Flows

Daniel C. M. Palumbo, Michael F. Wondrak, Chih-Wei L. Huang, 2022, The Astrophysical Journal Letters.

Characterizing and Mitigating Intraday Variability: Reconstructing Source Structure in Accreting Black Holes with mm-VLBI

Daniel C. M. Palumbo, Michael F. Wondrak, P. K. Leung, 2022, The Astrophysical Journal Letters.

First Sagittarius A* Event Horizon Telescope Results. VI. Testing the Black Hole Metric

Chih-Wei L. Huang, P. K. Leung, Alexander W. Raymond, 2022, The Astrophysical Journal Letters.

First Sagittarius A* Event Horizon Telescope Results. IV. Variability, Morphology, and Black Hole Mass

Chih-Wei L. Huang, P. K. Leung, Alexander W. Raymond, 2022, The Astrophysical Journal Letters.

First Sagittarius A* Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole in the Center of the Milky Way

Marcos Emir Moreno Nolasco, Chih-Wei L. Huang, P. K. Leung, 2022, The Astrophysical Journal Letters.

First Sagittarius A* Event Horizon Telescope Results. V. Testing Astrophysical Models of the Galactic Center Black Hole

Chih-Wei L. Huang, P. K. Leung, Alexander W. Raymond, 2022, The Astrophysical Journal Letters.

Event Horizon Telescope Results . I . the Shadow of the Supermassive Black Hole

Kevin A. Dudevoir, Alexander W. Raymond, B. Benson, 2019 .

Resolving the Inner Parsec of the Blazar J1924–2914 with the Event Horizon Telescope

Daniel C. M. Palumbo, Michael F. Wondrak, Chih-Wei L. Huang, 2022, The Astrophysical Journal.

Unraveling the Innermost Jet Structure of OJ 287 with the First GMVA + ALMA Observations

A. Gopakumar, L. Blackburn, E. Ros, 2022, The Astrophysical Journal.

VLBI observations of bright AGN jets with KVN and VERA Array (KaVA): Evaluation of Imaging Capability

Sang-Sung Lee, M. Kino, S. Trippe, 2014, 1406.4356.

Millimeter VLBI observations of Sgr A* with KaVA and KVN

J. Algaba, J. Hodgson, M. Kino, 2016, Proceedings of the International Astronomical Union.

The off-axis jet structure in Mrk 501 at mm-wavelengths

E. Ros, M. Kino, T. Krichbaum, 2015, 1505.04433.

The Event Horizon General Relativistic Magnetohydrodynamic Code Comparison Project

Daniel C. M. Palumbo, Chih-Wei L. Huang, Alexander W. Raymond, 2019, The Astrophysical Journal Supplement Series.

Collimation of the Relativistic Jet in the Quasar 3C 273

K. Bouman, L. Blackburn, E. Ros, 2019, The Astrophysical Journal.

Verification of Radiative Transfer Schemes for the EHT

Daniel C. M. Palumbo, Chih-Wei L. Huang, Alexander W. Raymond, 2020, The Astrophysical Journal.

Overview of the Observing System and Initial Scientific Accomplishments of the East Asian VLBI Network (EAVN)

Bo Zhang, J. Algaba, Sang-Sung Lee, 2022, Galaxies.

Pilot KaVA monitoring on the M87 jet: confirming the inner jet structure and superluminal motions at sub-pc scales

J. Algaba, Sang-Sung Lee, J. Hodgson, 2017, 1706.02066.

Millimeter/Submillimeter VLBI with a Next Generation Large Radio Telescope in the Atacama Desert

K. Akiyama, K. Hada, S. Koyama, 2022, Galaxies.

First M87 Event Horizon Telescope Results. VII. Polarization of the Ring

Daniel C. M. Palumbo, Chih-Wei L. Huang, Alexander W. Raymond, 2021, The Astrophysical Journal Letters.

First M87 Event Horizon Telescope Results. VIII. Magnetic Field Structure near The Event Horizon

Daniel C. M. Palumbo, Chih-Wei L. Huang, Alexander W. Raymond, 2021, The Astrophysical Journal Letters.

The Greenland telescope: Thule operations

Yutaka Hasegawa, Masanori Nakamura, Geoffrey Bower, 2018, Astronomical Telescopes + Instrumentation.

The Event Horizon Telescope Image of the Quasar NRAO 530

Daniel C. M. Palumbo, Michael F. Wondrak, Chih-Wei L. Huang, 2023, The Astrophysical Journal.

Event Horizon Telescope observations of the jet launching and collimation in Centaurus A

Daniel C. M. Palumbo, Chih-Wei L. Huang, Alexander W. Raymond, 2021, Nature Astronomy.

Constraints on black-hole charges with the 2017 EHT observations of M87*

Daniel C. M. Palumbo, Chih-Wei L. Huang, Alexander W. Raymond, 2021, Physical Review D.

Broadband Multi-wavelength Properties of M87 during the 2017 Event Horizon Telescope Campaign

F. G. Saturni, Daniel C. M. Palumbo, Chih-Wei L. Huang, 2021, 2104.06855.

Polarimetric Properties of Event Horizon Telescope Targets from ALMA

Daniel C. M. Palumbo, Chih-Wei L. Huang, Alexander W. Raymond, 2021, The Astrophysical Journal Letters.

Constraints on blackhole charges with the 2017 EHT observations of M 87 *

Chih-Wei L. Huang, H. Falcke, T. Lauer, 2021 .

East Asian VLBI Network observations of active galactic nuclei jets: imaging with KaVA+Tianma+Nanshan

J. Algaba, Sang-Sung Lee, J. Hodgson, 2021, Research in Astronomy and Astrophysics.

Multifrequency VLBI Observations of the Broad Absorption Line Quasar J1020+4320: Recently Restarted Jet Activity?

H. Kobayashi, Y. Murata, K. Fujisawa, 2013, 1301.4759.

Apparent Inward Motion of the Parsec-Scale Jet in the BL Lac Object OJ287 during the 2011-2012 γ-ray Flares

M. Kino, K. Shibata, K. Akiyama, 2015 .

The Past and Future of East Asia to Italy: Nearly Global VLBI

M. Kino, D. Byun, K. Wajima, 2023, Galaxies.

Herschel SPIRE Discovery of Far-infrared Excess Synchrotron Emission from the West Hot Spot of the Radio Galaxy Pictor A

M. Kino, C. Pearson, M. Tashiro, 2020, The Astrophysical Journal.

Mid-infrared Excess from the West Hot Spot of the Radio Galaxy Pictor A Unveiled by WISE

T. Nakagawa, H. Matsuhara, M. Kino, 2017, 1710.08221.

A ring-like accretion structure in M87 connecting its black hole and jet

Chih-Wei L. Huang, P. Koch, Y. Huang, 2023, Nature.

SYMBA: An end-to-end VLBI synthetic data generation pipeline

F. Roelofs, M. Janssen, I. Natarajan, 2020, Astronomy & Astrophysics.

First Sagittarius A* Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole in the Center of the Milky Way

Daniel C. M. Palumbo, Marcos Emir Moreno Nolasco, Michael F. Wondrak, 2023, 2311.08680.

VLBI Imagings of a Kilo-Parsec Knot in 3C 380

M. Kino, H. Kobayashi, S. Kameno, 2012, 1211.6124.

Collimation of the Relativistic Jet in the Quasar 3C 273

K. Bouman, L. Blackburn, E. Ros, 2021, The Astrophysical Journal.

First M87 Event Horizon Telescope Results. VI. The Shadow and Mass of the Central Black Hole

Daniel C. M. Palumbo, Chih-Wei L. Huang, Alexander W. Raymond, 2019, The Astrophysical Journal.

First Sagittarius A* Event Horizon Telescope Results. IV. Variability, Morphology, and Black Hole Mass

Daniel C. M. Palumbo, Michael F. Wondrak, Chih-Wei L. Huang, 2022, The Astrophysical Journal Letters.

First Sagittarius A* Event Horizon Telescope Results. VI. Testing the Black Hole Metric

Daniel C. M. Palumbo, Michael F. Wondrak, Chih-Wei L. Huang, 2022, The Astrophysical Journal Letters.

First Sagittarius A* Event Horizon Telescope Results. V. Testing Astrophysical Models of the Galactic Center Black Hole

Daniel C. M. Palumbo, Michael F. Wondrak, Chih-Wei L. Huang, 2022, The Astrophysical Journal Letters.

First M87 Event Horizon Telescope Results. IV. Imaging the Central Supermassive Black Hole

Daniel C. M. Palumbo, Chih-Wei L. Huang, Alexander W. Raymond, 2019, The Astrophysical Journal.

First Sagittarius A* Event Horizon Telescope Results. II. EHT and Multi-wavelength Observations, Data Processing, and Calibration

Daniel C. M. Palumbo, Michael F. Wondrak, Chih-Wei L. Huang, 2023, 2311.08679.

TELAMON: Monitoring of AGN with the Effelsberg 100-m Telescope in the Context of Astroparticle Physics

E. Pueschel, E. Ros, K. Mannheim, 2021, Proceedings of 37th International Cosmic Ray Conference — PoS(ICRC2021).

First M87 Event Horizon Telescope Results. II. Array and Instrumentation

Daniel C. M. Palumbo, Chih-Wei L. Huang, Alexander W. Raymond, 2019 .

First M87 Event Horizon Telescope Results. III. Data Processing and Calibration

Daniel C. M. Palumbo, Chih-Wei L. Huang, Alexander W. Raymond, 2019, The Astrophysical Journal.

Comparison of Polarized Radiative Transfer Codes Used by the EHT Collaboration

Daniel C. M. Palumbo, Michael F. Wondrak, Chih-Wei L. Huang, 2023, The Astrophysical Journal.

The Intrinsic Structure of Sagittarius A* at 1.3 cm and 7 mm

Engineering, Astrophysics, Harvard, 2021, The Astrophysical Journal.

The Variability of the Black Hole Image in M87 at the Dynamical Timescale

Daniel C. M. Palumbo, Chih-Wei L. Huang, Alexander W. Raymond, 2021, The Astrophysical Journal.

The Polarized Image of a Synchrotron-emitting Ring of Gas Orbiting a Black Hole

Daniel C. M. Palumbo, Chih-Wei L. Huang, Alexander W. Raymond, 2021, The Astrophysical Journal.

UvA-DARE Event Horizon Telescope observations of the jet launching and collimation in Centaurus A

Daniel C. M. Palumbo, Chih-Wei L. Huang, H. Falcke, 2021 .

UvA-DARE Event Horizon Telescope observations of the jet launching and collimation in Centaurus A

Daniel C. M. Palumbo, Chih-Wei L. Huang, H. Falcke, 2021 .

UvA-DARE Event Horizon Telescope observations of the jet launching and collimation in Centaurus A

Daniel C. M. Palumbo, Chih-Wei L. Huang, H. Falcke, 2021 .

First M87 Event Horizon Telescope Results. II. Array and Instrumentation

Daniel C. M. Palumbo, Chih-Wei L. Huang, Alexander W. Raymond, 2019, 1906.11239.

Status of scientific commissioning of the Greenland Telescope

Masanori Nakamura, Satoki Matsushita, Ranjani Srinivasan, 2020, Astronomical Telescopes + Instrumentation.

Spectral analysis of a parsec-scale jet in M 87: Observational constraint on the magnetic field strengths in the jet

J. Algaba, Sang-Sung Lee, J. Hodgson, 2023, Astronomy & Astrophysics.

UvA-DARE (Digital Academic Repository) Broadband Multi-wavelength Properties of M87 during the 2017 Event Horizon Telescope Campaign

F. G. Saturni, Daniel C. M. Palumbo, Chih-Wei L. Huang, 2022 .

X-ray measurement of electron and magnetic-field energy densities in the west lobe of the giant radio galaxy 3C 236

S. Koyama, N. Isobe, 2015, 1505.02769.

First Sagittarius A* Event Horizon Telescope Results. VI. Testing the Black Hole Metric

Daniel C. M. Palumbo, Michael F. Wondrak, Chih-Wei L. Huang, 2022, The Astrophysical Journal Letters.

First M87 Event Horizon Telescope Results. IX. Detection of Near-horizon Circular Polarization

Daniel C. M. Palumbo, Michael F. Wondrak, Chih-Wei L. Huang, 2023, The Astrophysical Journal Letters.

First Sagittarius A* Event Horizon Telescope Results. III. Imaging of the Galactic Center Supermassive Black Hole

Daniel C. M. Palumbo, Michael F. Wondrak, Chih-Wei L. Huang, 2022, The Astrophysical Journal Letters.

First M87 Event Horizon Telescope Results. V. Physical Origin of the Asymmetric Ring

Daniel C. M. Palumbo, Chih-Wei L. Huang, Alexander W. Raymond, 2019, The Astrophysical Journal.

Polarimetric Geometric Modeling for mm-VLBI Observations of Black Holes

Daniel C. M. Palumbo, Michael F. Wondrak, Chih-Wei L. Huang, 2023, The Astrophysical Journal Letters.

Event Horizon Telescope imaging of the archetypal blazar 3C 279 at an extreme 20 microarcsecond resolution

Kevin A. Dudevoir, Daniel C. M. Palumbo, Chih-Wei L. Huang, 2020 .

The Event Horizon General Relativistic Magnetohydrodynamic Code Comparison Project

Daniel C. M. Palumbo, Chih-Wei L. Huang, Alexander W. Raymond, 2019, The Astrophysical Journal Supplement Series.

First M87 Event Horizon Telescope Results. III. Data Processing and Calibration

Daniel C. M. Palumbo, Chih-Wei L. Huang, Alexander W. Raymond, 2019, The Astrophysical Journal.

First M87 Event Horizon Telescope Results. VIII. Magnetic Field Structure near The Event Horizon

Daniel C. M. Palumbo, Chih-Wei L. Huang, Alexander W. Raymond, 2021, The Astrophysical Journal Letters.

A Search for Pulsars around Sgr A* in the First Event Horizon Telescope Data Set

Daniel C. M. Palumbo, Michael F. Wondrak, Chih-Wei L. Huang, 2023, The Astrophysical Journal.

Gravitational Test beyond the First Post-Newtonian Order with the Shadow of the M87 Black Hole

Daniel C. M. Palumbo, Chih-Wei L. Huang, Alexander W. Raymond, 2020, Physical Review Letters.

UvA-DARE (Digital Academic Repository) Gravitational Test beyond the First Post-Newtonian Order with the Shadow of the M87 Black Hole

Daniel C. M. Palumbo, Chih-Wei L. Huang, Alexander W. Raymond, 2020 .

TELAMON: Effelsberg Monitoring of AGN Jets with Very-High-Energy Astroparticle Emissions - II. Polarization properties

E. Pueschel, E. Ros, P. Edwards, 2023, Proceedings of 38th International Cosmic Ray Conference — PoS(ICRC2023).

First M87 Event Horizon Telescope Results. III. Data Processing and Calibration

Daniel C. M. Palumbo, Chih-Wei L. Huang, Alexander W. Raymond, 2019, The Astrophysical Journal.

First Sagittarius A* Event Horizon Telescope Results. V. Testing Astrophysical Models of the Galactic Center Black Hole

Daniel C. M. Palumbo, Michael F. Wondrak, Chih-Wei L. Huang, 2022, The Astrophysical Journal Letters.

First Sagittarius A* Event Horizon Telescope Results. VII. Polarization of the Ring

Chih-Wei L. Huang, K. Souccar, T. Lauer, 2024, The Astrophysical Journal Letters.

Unraveling the Innermost Jet Structure of OJ 287 with the First GMVA + ALMA Observations

A. Gopakumar, L. Blackburn, E. Ros, 2022, The Astrophysical Journal.

A liquid hydrogen target for radioactive beam experiments using the missing mass method

S. Koyama, O. Sorlin, L. Lalanne, 2021 .

First Sagittarius A* Event Horizon Telescope Results. VIII. Physical Interpretation of the Polarized Ring

Chih-Wei L. Huang, K. Souccar, T. Lauer, 2024, The Astrophysical Journal Letters.

First M87 Event Horizon Telescope Results. VIII. Magnetic Field Structure near The Event Horizon

Chih-Wei L. Huang, T. Lauer, K. Bouman, 2021, The Astrophysical Journal Letters.